docs: improve xhgui documention #7376
Description
Preliminary checklist
- I am using the latest stable version of DDEV (see upgrade guide)
- I have searched existing issues
- I have checked the troubleshooting guide
- I have run
ddev debug testto include output below
Output of ddev debug test
Expand `ddev debug test` diagnostic information
[COPY-PASTE HERE THE OUTPUT OF `ddev debug test`]
Expected Behavior
I should be able to follow the instructions to use xhprof
Actual Behavior
I found more extensive instructions in the blog post https://ddev.com/blog/xhgui-feature/
Steps To Reproduce
No response
Anything else?
No response